PrefectHQ/marvin

an ambient intelligence library

About the project

Marvin is a Python framework for producing structured data with language models and coordinating tasks carried out by specialized AI agents. Developers use it to extract, cast, classify, or generate data and to compose observable agentic workflows. The catalogue includes an instruction and an agent for working with Marvin.

Latest release v3.2.10 — Marvin 3.2.10 · 27 Oct 2026

1 file for Claude Code: marvin CLAUDE.md — 242 tokens loaded in every session.

6,206Stars on the repository
1Files it configures its agents with
242Tokens loaded in every session
1Agent configured

Instructions

These files are PrefectHQ/marvin's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.